EXTRA-TROPICAL  STORM  SURGE
N A T I O N A L    O C E A N I C    A N D    A T M O S P H E R I C    A D M I N I S T R A T I O N

  • This website is considered EXPERIMENTAL, is supported on an 8x5 basis, and has no guarantee of availability.
  • The data located HERE are considered OPERATIONAL and are supported on a 24x7 basis.
About
Manual
Disclaimer
Manual
Datum
hat-on
mhhw-on
msl-on
mllw-on
Regions
Northeast
Mid-Atlantic
Southeast
Gulf
Northwest
Alaska
Gulf of Alaska
Status
Stations
Ketchikan, AK
Sitka, AK
Juneau, AK
Skagway, AK
Elfin Cove, AK
Yakutat, AK
Cordova, AK
Valdez, AK
Seward, AK
Seldovia, AK
Nikiski, AK
Anchorage, AK
Kodiak Island, AK
Alitak, AK
Sand Point, AK
King Cove, AK
Adak Island, AK
Atka, AK
Unalaska, AK
Surge List
Gulf of Alaska
#Anchorage, AK : 01/21/2026 22:21:04 GMT (units in feet MSL)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/20 06Z,  -0.70,   8.69,   8.32,  99.90,   0.33,
01/20 07Z,  -0.70,   4.27,   3.15,  99.90,  -0.42,
01/20 08Z,  -0.70,  -1.18,  -1.91,  99.90,  -0.03,
01/20 09Z,  -0.70,  -6.89,  -7.00,  99.90,   0.59,
01/20 10Z,  -0.70, -12.26, -12.01,  99.90,   0.95,
01/20 11Z,  -0.70, -16.38, -16.61,  99.90,   0.47,
01/20 12Z,  -0.70, -16.47, -19.17,  99.90,  -2.00,  (min)
01/20 13Z,  -0.70, -10.91, -11.35,  99.90,   0.26,
01/20 14Z,  -0.70,  -2.72,  -3.11,  99.90,   0.31,
01/20 15Z,  -0.70,   4.30,   3.57,  99.90,  -0.03,
01/20 16Z,  -0.70,   9.26,   8.52,  99.90,  -0.04,
01/20 17Z,  -0.70,  11.98,  11.64,  99.90,   0.36,  (max)
01/20 18Z,  -0.70,  11.90,  11.49,  99.90,   0.29,
01/20 19Z,  -0.70,   9.36,   7.98,  99.90,  -0.68,
01/20 20Z,  -0.70,   5.03,   2.87,  99.90,  -1.46,
01/20 21Z,  -0.70,  -0.29,  -1.96,  99.90,  -0.97,
01/20 22Z,  -0.80,  -5.57,  -6.16,  99.90,   0.21,
01/20 23Z,  -0.80, -10.00, -10.40,  99.90,   0.40,
01/21 00Z,  -0.80, -11.51, -12.48,  99.90,  -0.17,  (min)
01/21 01Z,  -0.80,  -7.67,  -6.77,  99.90,   1.70,
01/21 02Z,  -0.80,  -0.04,   0.28,  99.90,   1.12,
01/21 03Z,  -0.80,   6.82,   6.44,  99.90,   0.42,
01/21 04Z,  -0.80,  10.81,  10.73,  99.90,   0.72,
01/21 05Z,  -0.80,  12.20,  12.65,  99.90,   1.25,  (max)
01/21 06Z,  -0.80,  10.95,  10.73,  99.90,   0.58,
01/21 07Z,  -0.80,   7.32,   6.16,  99.90,  -0.36,
01/21 08Z,  -0.80,   2.16,   1.06,  99.90,  -0.30,
01/21 09Z,  -0.80,  -3.83,  -3.90,  99.90,   0.73,
01/21 10Z,  -0.80,  -9.64,  -8.97,  99.90,   1.47,
01/21 11Z,  -0.80, -14.44, -13.86,  99.90,   1.38,
01/21 12Z,  -0.90, -16.95, -18.11,  99.90,  -0.26,  (min)
01/21 13Z,  -0.90, -14.57, -16.43,  99.90,  -0.96,
01/21 14Z,  -0.80,  -7.00,  -7.49,  99.90,   0.31,
01/21 15Z,  -0.80,   1.69,   0.17,  99.90,  -0.72,
01/21 16Z,  -0.80,   7.92,   6.35,  99.90,  -0.77,
01/21 17Z,  -0.80,  11.47,  10.60,  99.90,  -0.07,
01/21 18Z,  -0.80,  12.56,  12.36,  99.90,   0.60,  (max)
01/21 19Z,  -0.80,  11.01,  10.28,  99.90,   0.07,
01/21 20Z,  -0.80,   7.35,   5.65,  99.90,  -0.90,
01/21 21Z,  -0.80,   2.22,   0.53,  99.90,  -0.89,
01/21 22Z,  -0.80,  -3.46,  -4.01,  99.90,   0.25,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
01/21 23Z,  -0.80,  -8.49,  99.90,  -9.03,   0.26,
01/22 00Z,  -0.80, -11.86,  99.90, -12.40,   0.27,  (min)
01/22 01Z,  -0.80, -11.46,  99.90, -11.99,   0.28,
01/22 02Z,  -0.80,  -5.66,  99.90,  -6.18,   0.29,
01/22 03Z,  -0.70,   2.73,  99.90,   2.33,   0.29,
01/22 04Z,  -0.70,   9.08,  99.90,   8.68,   0.30,
01/22 05Z,  -0.70,  12.04,  99.90,  11.66,   0.31,
01/22 06Z,  -0.70,  12.31,  99.90,  11.93,   0.32,  (max)
01/22 07Z,  -0.70,   9.98,  99.90,   9.61,   0.33,
01/22 08Z,  -0.80,   5.51,  99.90,   5.05,   0.34,
01/22 09Z,  -0.80,  -0.32,  99.90,  -0.77,   0.35,
01/22 10Z,  -0.80,  -6.62,  99.90,  -7.06,   0.36,
01/22 11Z,  -0.80, -12.09,  99.90, -12.53,   0.36,
01/22 12Z,  -0.70, -15.74,  99.90, -16.08,   0.36,
01/22 13Z,  -0.70, -16.22,  99.90, -16.56,   0.36,  (min)
01/22 14Z,  -0.70, -11.47,  99.90, -11.81,   0.36,
01/22 15Z,  -0.70,  -2.52,  99.90,  -2.86,   0.36,
01/22 16Z,  -0.70,   5.88,  99.90,   5.54,   0.36,
01/22 17Z,  -0.70,  10.85,  99.90,  10.51,   0.36,
01/22 18Z,  -0.70,  12.87,  99.90,  12.53,   0.36,  (max)
01/22 19Z,  -0.70,  12.39,  99.90,  12.05,   0.36,
01/22 20Z,  -0.70,   9.50,  99.90,   9.16,   0.36,
01/22 21Z,  -0.70,   4.82,  99.90,   4.48,   0.36,
01/22 22Z,  -0.80,  -0.94,  99.90,  -1.39,   0.36,
01/22 23Z,  -0.80,  -6.61,  99.90,  -7.05,   0.36,
01/23 00Z,  -0.80, -10.92,  99.90, -11.36,   0.36,
01/23 01Z,  -0.80, -12.88,  99.90, -13.33,   0.36,  (min)
01/23 02Z,  -0.80, -10.61,  99.90, -11.05,   0.36,
01/23 03Z,  -0.70,  -3.41,  99.90,  -3.76,   0.36,
01/23 04Z,  -0.70,   4.99,  99.90,   4.65,   0.36,
01/23 05Z,  -0.70,  10.39,  99.90,  10.05,   0.36,
01/23 06Z,  -0.70,  12.32,  99.90,  11.98,   0.36,  (max)
01/23 07Z,  -0.70,  11.66,  99.90,  11.32,   0.36,
01/23 08Z,  -0.70,   8.53,  99.90,   8.19,   0.36,
01/23 09Z,  -0.80,   3.43,  99.90,   2.99,   0.36,
01/23 10Z,  -0.80,  -2.79,  99.90,  -3.23,   0.36,
01/23 11Z,  -0.80,  -8.96,  99.90,  -9.41,   0.36,
01/23 12Z,  -0.80, -13.57,  99.90, -14.01,   0.36,
01/23 13Z,  -0.80, -15.69,  99.90, -16.13,   0.36,  (min)
01/23 14Z,  -0.70, -14.16,  99.90, -14.50,   0.36,
01/23 15Z,  -0.70,  -7.62,  99.90,  -7.96,   0.36,
01/23 16Z,  -0.70,   1.79,  99.90,   1.45,   0.36,
01/23 17Z,  -0.70,   9.21,  99.90,   8.87,   0.36,
01/23 18Z,  -0.70,  12.71,  99.90,  12.37,   0.36,
01/23 19Z,  -0.70,  13.31,  99.90,  12.97,   0.36,  (max)
01/23 20Z,  -0.70,  11.51,  99.90,  11.16,   0.36,
01/23 21Z,  -0.70,   7.52,  99.90,   7.18,   0.36,
01/23 22Z,  -0.70,   2.07,  99.90,   1.73,   0.36,
01/23 23Z,  -0.70,  -3.94,  99.90,  -4.28,   0.36,
01/24 00Z,  -0.80,  -9.13,  99.90,  -9.57,   0.36,
01/24 01Z,  -0.80, -12.39,  99.90, -12.83,   0.36,
01/24 02Z,  -0.80, -13.00,  99.90, -13.44,   0.36,  (min)
01/24 03Z,  -0.70,  -9.35,  99.90,  -9.69,   0.36,
01/24 04Z,  -0.70,  -1.60,  99.90,  -1.94,   0.36,
01/24 05Z,  -0.80,   6.16,  99.90,   5.72,   0.36,
01/24 06Z,  -0.80,  10.47,  99.90,  10.03,   0.36,
01/24 07Z,  -0.80,  11.62,  99.90,  11.18,   0.36,  (max)
01/24 08Z,  -0.80,  10.42,  99.90,   9.98,   0.36,
01/24 09Z,  -0.80,   6.86,  99.90,   6.42,   0.36,
01/24 10Z,  -0.80,   1.50,  99.90,   1.05,   0.36,
01/24 11Z,  -0.90,  -4.68,  99.90,  -5.22,   0.36,
01/24 12Z,  -0.90, -10.21,  99.90, -10.75,   0.36,
01/24 13Z,  -0.90, -13.59,  99.90, -14.13,   0.36,
01/24 14Z,  -0.80, -14.23,  99.90, -14.67,   0.36,  (min)
01/24 15Z,  -0.80, -11.21,  99.90, -11.66,   0.36,
01/24 16Z,  -0.80,  -3.80,  99.90,  -4.24,   0.36,
01/24 17Z,  -0.90,   5.17,  99.90,   4.62,   0.36,
01/24 18Z,  -0.90,  11.21,  99.90,  10.67,   0.36,
01/24 19Z,  -0.90,  13.37,  99.90,  12.83,   0.36,  (max)
01/24 20Z,  -0.90,  12.89,  99.90,  12.35,   0.36,
01/24 21Z,  -1.00,  10.13,  99.90,   9.49,   0.36,
01/24 22Z,  -1.00,   5.43,  99.90,   4.79,   0.36,
01/24 23Z,  -1.00,  -0.35,  99.90,  -0.99,   0.36,
01/25 00Z,  -1.00,  -6.13,  99.90,  -6.77,   0.36,
01/25 01Z,  -1.00, -10.52,  99.90, -11.16,   0.36,
01/25 02Z,  -1.00, -12.81,  99.90, -13.45,   0.36,  (min)
01/25 03Z,  -1.10, -12.55,  99.90, -13.29,   0.36,
01/25 04Z,  -1.00,  -8.33,  99.90,  -8.97,   0.36,
01/25 05Z,  -1.00,  -0.82,  99.90,  -1.46,   0.36,
01/25 06Z,  -1.00,   5.91,  99.90,   5.27,   0.36,
01/25 07Z,  -1.00,   9.35,  99.90,   8.70,   0.36,
01/25 08Z,  -1.10,  10.20,  99.90,   9.46,   0.36,  (max)
01/25 09Z,  -1.10,   8.95,  99.90,   8.20,   0.36,
01/25 10Z,  -1.10,   5.41,  99.90,   4.67,   0.36,
01/25 11Z,  -1.10,   0.23,  99.90,  -0.51,   0.36,
01/25 12Z,  -1.10,  -5.42,  99.90,  -6.16,   0.36,
01/25 13Z,  99.90,  -9.96,  99.90,  99.90,   0.36,
01/25 14Z,  99.90, -12.16,  99.90,  99.90,   0.36,
01/25 15Z,  99.90, -11.84,  99.90,  99.90,   0.36,
01/25 16Z,  99.90,  -8.20,  99.90,  99.90,   0.36,
01/25 17Z,  99.90,  -0.85,  99.90,  99.90,   0.36,
01/25 18Z,  99.90,   7.07,  99.90,  99.90,   0.36,